To make a long story short ,do not buy a tuff shed in stockton.kirk is the manager it took me 2 day to get hold of him and when he showed up at my place to look at the shed and how it was bowed out in the back his comment was i am not giving you half of what the building cost i said i dident ask for money just fix the problems ,the problems is. Founded over 30 years ago, tuff shed inc. is one of the largest providers of storage buildings and garages. based in stockton, calif., the firm offers storage sheds, installed garages, specialty buildings, custom buildings, office space and industrial interior/exterior storage facilities..